THE Asian hornets They do not arrive in our green spaces by chance. Their presence is almost always linked to the spread of Perfumed plants, ripe fruits or the use of sweet perfumes. These insects, considered Invasive and harmful species In France since 2012, they represent a concrete threat to local biodiversity, in particular for bees. With the return of spring, the sightings of these winged predators also multiply. Knowing what attracts them is the first step to limit their presence near homes.
In domestic gardens, the main responsible for the arrival of Asian hornets are the fruit trees. Meli, Peri, Ciliegi, apricotes … all ripe fruits or in the decomposition phase emanate Intense sugary smells which immediately attract these insects. As soon as a fruit begins to ferment, it becomes an irresistible call.
But that’s not all. Also i perfumes worn by peopleespecially those from the notes of vanilla, caramel or coconutthey can turn a walk into an attraction for the hornets. Even i Perfumers for environments or some Perfumed detergents are among the managers. In nature, also the sap of certain trees “Like the crying willow or the oak – acts in the same way. For an Asian hornet, everything that smells of sweet or floral It can represent both a source of nourishment and a potential site for the nest.
Flowers rich in nectar and crampting dense
Asian hornets are also attracted to Flowers with a high nectar contentin particular sunflowers, cornflower And calendula. In addition to being aesthetically beautiful, these flowers release an intense perfume that represents an authentic source of energy for these insects.
When it comes to building i secondary nests – who appear after a first phase of development in hidden places – the Calabones prefer high and well hidden areas. Imposing trees like poplar And oakor Old climbing of Ederaoffer the ideal environment: protected, shaded and full of resources. In addition to nectar, what they are looking for are proteins to feed the larvaeoften obtained by preaching bees and other insects.
A simple trick to catch them without damaging other useful insects
For those who want to keep the presence of Asian hornets under control without harming pollinating insects, there is a do-it-yourself solution simple but effective: the trap with plastic bottle. This method, recommended by many beekeepers and municipalities, is easy to make at home. Just cut a bottle, turn the upper part of it, and pour a mix formed by 1/3 of beer, 1/3 of white wine (which removes bees) e 1/3 of sugar red syrup.
The strong smell of this mixture effectively attracts the hornets, but to avoid trapping harmless insects is fundamental Practicing holes from 5 to 7 mm In the bottle, so that the little ones can come out without difficulty. These traps must be positioned near sensitive areas such as vegetable gardens, fruit trees or relaxation areas. I am a way selective and respectful To control the presence of Asian hornets and at the same time protect the biodiversity of the garden.
